Version:           1.11.4 (using KDE 4.2.4)
OS:                Linux
Installed from:    Ubuntu Packages

Kmail crashed when opening attachment (a pps file).
Backtrace:

Application: Kontact (kontact), signal SIGSEGV
0x00007fecc5ef8d21 in nanosleep () from /lib/libc.so.6

Thread 1 (Thread 0x7feccc398750 (LWP 24448)):
[KCrash Handler]
#5  0x00007fecb369db55 in KMHandleAttachmentCommand::slotStart () from /usr/lib/libkmailprivate.so.4
#6  0x00007fecb368ca2b in KMHandleAttachmentCommand::qt_metacall () from /usr/lib/libkmailprivate.so.4
#7  0x00007fecc6ad81f2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#8  0x00007fecc6add52f in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007fecc6ad24d3 in QObject::event () from /usr/lib/libQtCore.so.4
#10 0x00007fecc766878d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#11 0x00007fecc767097a in QApplication::notify () from /usr/lib/libQtGui.so.4
#12 0x00007fecc8a9d84b in KApplication::notify () from /usr/lib/libkdeui.so.5
#13 0x00007fecc6ac275c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#14 0x00007fecc6aef7f6 in ?? () from /usr/lib/libQtCore.so.4
#15 0x00007fecc6aebf0d in ?? () from /usr/lib/libQtCore.so.4
#16 0x00007fecc020920a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#17 0x00007fecc020c8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#18 0x00007fecc020ca7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#19 0x00007fecc6aebe6f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#20 0x00007fecc7700bef in ?? () from /usr/lib/libQtGui.so.4
#21 0x00007fecc6ac1002 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#22 0x00007fecc6ac13cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#23 0x00007fecc6ac3694 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#24 0x0000000000404a15 in _start ()